Jiansong -
Replications are over obs (what your measures taken over, i.e. subjects)
Correlated repeated measures as you say should be no (it would be yes if
your t-test was between 2 conditions for a single group)
HTH,
Alexa
On Mar 24 2005, Jiansong Xu wrote:
> Dear Friends:
>
> I have 2 group subjects, one group was scanned for 8 sessions, the second
> was scanned for 2 sessions. Now I want to do two sample t test. When ask
> for: non-sphericity correction? Click Yes
>
> replications are over: obs or group (What Should I Click Here?)
>
> correlated repeated measures: no?
>
> Thanks
>
> Jiansong
>
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